US2920376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic bar working machine
Assignee: Lipe Rollway Corp
•
Filing: 1957-12-12
•
Granted: 1960-01-12
•
Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Franklin D Lakins
- 👤 Gerald B Lanphere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:17
CPC Classifications
B; B23; B23B; B23B13/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5125; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2729879A
Cited
US2742656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |